Display screen or portion thereof with a sequential graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with asequential graphical user interface showing a first image in a sequenceaccording to the new design; and,

FIG. 2 is a second image in the sequence.

The broken lines showing a display screen with graphical user interfaceare included for the purpose of showing portions of the article whichform no part of the claim. The subject matter in this patent applicationincludes a process or period in which an image changes into anotherimage. This process or period forms no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha sequential graphical user interface, as shown and described.